Heat shield segment for a stator of a gas turbine engine

Details Heat shield segment for a stator of a gas turbine engine Heat shield segment for a stator of a gas turbine engine

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 11/08 (2006.01) F01D 25/24 (2006.01)

Patent

CA 2690705

The invention relates to a heat shield segment for a stator of a gas turbine having a rotatable turbine rotor with turbine blades. The heat shield segment is arranged radially between the turbine rotor and a turbine housing, is attached to the turbine housing and has a profile which has a curved section in at least one region in the axial direction of the gas turbine. The radially outer side of the heat shield segment in the area of the curved section and in a first end area in the circumferential direction of the gas turbine is provided with a boss extending in the circumferential direction of the gas turbine.

La présente invention concerne un segment de bouclier thermique (1) destiné à un stator d'une turbine à gaz qui présente un rotor doté de pales (2), monté rotatif et entraîné par un courant d'air de combustion à température élevée. Le segment de bouclier thermique (1) est disposé radialement entre le rotor et le boîtier (19) de la turbine et fixé au boîtier. Le segment de bouclier thermique (1) a un profil qui présente en au moins un emplacement en direction longitudinale de la turbine, une section incurvée (12), un côté extérieur radial (15) du segment de bouclier thermique (1) présentant, dans la zone de la section incurvée (12) et dans une première zone d'extrémité en direction périphérique du segment de bouclier thermique (1), une partie surélevée (14) qui s'étend dans la direction périphérique de la turbine.

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